|
|
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.
Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
![Apply passive touch over the eyes and cheeks to finish. Place the hands, using very light pressure, ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_3_13_07_331431924.jpeg)
![Broadening effleurage to lower leg. Place heels of the hands together over tibia (no pressure over ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_5_45_18_33247135.jpeg)